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All Journal International Journal of Science and Engineering (IJSE) Jurnal Neutrino : jurnal fisika dan aplikasinya TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Geosaintek JST ( Jurnal Sains Terapan ) Jurnal Riset Fisika Indonesia Petrogas : Journal of Energy and Technology
A. M. Miftahul Huda
Sekolah Tinggi Teknologi Minyak Dan Gas Bumi Balikpapan
Astronomy Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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PEMETAAN AIR TANAH MENGGUNAKAN METODE RESISTIVITAS WENNER SOUNDING (Studi Kasus Kampus II Universitas Islam Negeri Maulana Malik Ibrahim Malang) Huda, A.M. Miftahul
Jurnal Neutrino JURNAL NEUTRINO (Vol 3 No 2
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.905 KB) | DOI: 10.18860/neu.v0i0.1645

Abstract

Human is khalifa in this earth, it was presented at Qoran (Al-Fathir: 39). Then the  earth is authority and responsibility of human to saving and managing. Include of that is  aquifer. Aquifer is the water that is available in the throat of geology which permeable. The mapping of aquifer potency is important because it used for developing the collage II Islamic State University Maulana Malik Ibrahim of Malang at Junrejo, Batu. Good water is predicted consume at high level in future. This investigation purposefull to know the place of the potentiality of aquifer in the location of investigation verticality. The method used in this research is Resistivity Geoelectric is an used to investigate the current surface based on stone resistivity. In this  case,  is  used  wenner  sounding  configuration.  potentiality  of  aquifer  in  the location of investigation verticality. At the every measuring using resistivity meter OYO Mc 2119. The result of the survey show if variety of depth and thick layers of aquifer; whit the best potentiality of aquifer at sounding point 2 C C (7° 55' 11,9" LS dan 112° 32' 36,1" BT) in second line. Potency source of aquifer at hight more than 93,8 meter from surface. Then in first line, potency of aquifer is predicted bad. Cross-correlaton of sounding points showed that formation of geology is sands, sand- limestone, clay, and breccia.Kata Kunci: Qoran, Aquifer, Resistivity method of wenner sounding, Potency of Aquifer.
Analisis Rock Mass Rating Di Tepi Pantai Samabe, Pulau Bali Suprayitno, Abdi; Huda, A M Miftahul; Muntaha, Mohammad
Jurnal Geosaintek Vol 5, No 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v5i2.5449

Abstract

Stabilitas batuan dibutuhkan untuk segala infrastruktur yang dibangun di area yang memiliki kemiringan tertentu terutama di daerah lereng terjal. Penelitian ini dilakukan pada lereng bukit di tepi Pantai Samabe yang di atasnya terdapat hotel dengan kemiringan 60˚ – 80˚ dan ketinggian lereng 70 – 80 m dari permukaan laut. Analisa Rock Mass Rating dilakukan untuk memberikan nilai pada lereng batuan tersebut supaya dapat diketahui penanganan yang tepat untuk menjaga kestabilan lerengnya. Ditemukan 4 lokasi pengamatan yang ditandai dengan longsoran minor di beberapa bagiannya, berdasarkan nilai rock mass rating maka ditemukan 3 lokasi pengamatan dengan nilai fair rock dan 1 lokasi pengamatan dengan nilai good rock. Sehingga dapat disimpulkan secara umum kondisi lereng batuan pada lokasi penelitian cukup baik dalam hal kestabilan lereng. Namun demi menjaga kesinambungan kestabilan lereng dimasa mendatang perlu dilakukan penangan lereng yang tepat.
Potentials of solar power plant in Waru Tua Ain Sahara; Riza Hadi Saputra; A. M. Miftahul Huda
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 18, No 6: December 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v18i6.15763

Abstract

Penajam Paser Utara Regency is located on the coast of East Kalimantan Province. This regency has a huge solar resource potential, but the agreement in this regency still lacks electricity networks and can be resolved by the people in this regency still in dire need of electricity for street lighting, and daily electricity needs. One of them is in the village of Waru Tua, where this area is in great need of lighting in the dock area because it requires residents to make Aliving as a fisherman. Waru Tua really needs electricity for lighting at night Waru Tua Pier because it has to be a gathering place for residents before going to sea to prepare everything that must be prepared before going to sea. Discussing the research carried out examining the potential of solar power in Waru Tua. Based on existing considerations, and the potential proposed by the area, the method used is to measure the sunlight at Waru Tua Pier using Luxmeter, then the data is processed using the Simulink applicationin MATLAB to obtain the value of the amount of sunlight in the area, which is 16 KW with a total solar cell of 250 Wp.
Analisa Pola Sesar Di Daratan Selatan Sumatera Berdasarkan Event Gempa Tahun 1960-2000 A. M Miftahul Huda; Badrul Munir
JST (Jurnal Sains Terapan) Vol 3, No 2 (2017): JST (Jurnal Sains Terapan)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v3i2.259

Abstract

Analisa pola sesar telah dilakukan untuk wilayah sumatera bagian selatan melalui analisis data kegempaan. Data kegempaan yang digunakan adalah data ISC dan dikombinasikan dengan data fokal dari Global CMT dari tahun 1960-2000. Penelitian ini dilakukan dalam tiga tahap, yaitu penentuan persebaran kegempaan, penentuan moment tensor melalui data fokal, dan korelasi data dengan data geologi. Pada posisi geografis 1040-1060 BT terdapat 7 gempa signifikan sepanjang tahun 1960 sampai tahun 2000, diantaranya 3 sesar mendatar (strike slip fault), 1 sesar naik (reverse fault), 1 sesar turun (normal fault) dan 2 sesar oblique. Anomali data terjadi pada seismisitas kegempaan tahun 1960-2000, yaitu teramatinya sesar oblique. Aktifitas kegempaan dipengaruhi oleh aktifitas sesar Sumatera dari Andaman sampai Semangko. Kata kunci: pola sesar, gempa tektonik, fokal, oblique
Subsurface Structure in Japan Based on P and S waves Travel Time Analysis Using Genetic Algorithm in Japan Seismological Network A. M. Miftahul Huda; Bagus Jaya Santosa
International Journal of Science and Engineering Vol 6, No 1 (2014)
Publisher : Chemical Engineering Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (739.853 KB) | DOI: 10.12777/ijse.6.1.70-74

Abstract

Experiment to obtain the subsurface structure in Japan is conducted using seismograms analysis of earthquakes in Japan. All 101 data was used from events in 2012, selected by a maximum depth of 60 km and magnitude between 4.2 to 5.5 Mj. Determination of 1-D subsurface structure is done by utilizing the inversion method with genetic algorithm approach. P wave and S wave velocity structure are determined based on arrival times at receiver. The crustal thickness is known of 33,66 km. P wave velocity for the upper and lower crust, are 6,03 km/s and 6,92 km/s, respectively, and velocity in the upper mantle is 8,18 km/s. S wave velocity for the upper and lower crust are given 3,38 km/s and 3,89 km/s respectively, and the velocity in the upper mantle is 4,59 km/s. If the range integrated to the stable parameter of velocity structure, it shows stable result and the subsurface structure has sufficiently high compatibility.
Penggunaan Automated Phase Picking pada Estimasi Hiposenter Gempa Lokal: Studi Kasus Lengan Atas Sulawesi Huda, A.M. Miftahul; Sahara, Ain; Widyaningrum, Yekti
Jurnal Riset Fisika Indonesia Vol 1 No 2 (2021): Juni 2021
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v1i2.2206

Abstract

Hypocenter estimation was carried out in several local earthquake events in the upper arm of Sulawesi Island. The process is carried out by utilizing P and S wave arrival time data obtained through automated phase picking. The Wadati diagram was used to test the feasibility of the data and HYPOINVERSE was used to estimate the hypocenter. Vp/Vs ratio shows varied results and RMS shows poor data picking. These results have an impact on RMS values which are quite high in the estimation of the hypocenter. There was an inverse comparison of the results when viewed through the RMS value between Wadati and HYPOINVERSE. Picking data improvements need to be done in order to get a better estimate.
Algoritma Differential Evolution untuk Estimasi Parameter Sumber Anomali Self-Potential Laby, Dharma Arung; Huda, A. M. Miftahul
Jurnal Riset Fisika Indonesia Vol 2 No 2 (2022): Juni 2022
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v2i2.3095

Abstract

Self-Potential (SP) anomaly is naturally occurring potential differences due to electrochemical, electro-kinetic, and thermoelectric sources in the subsurface. The Source of SP anomaly can be modeled as a simple-geometry body, e.g: spheres, cylinders, and inclined sheets. The model parameter of SP anomaly is generally estimated using local optimization such as gradient-search-based methods. However, these methods have some drawbacks. Therefore, this problem needs to address using global optimization, namely Differential Evolution (DE) algorithm. DE is one of the metaheuristic algorithms adopting biological evolution in the optimization process. In this work, the DE algorithm is implemented to estimate the parameters of SP anomaly sources. There are two stages in this work, e.g: synthetic test and field data inversion. In the synthetic test, DE is built and implemented in synthetic data generated from a cylinder body contaminated by noise. This test shows that DE can estimate the parameters of the cylinder body (SP anomaly source) well. In the field data inversion, DE is implemented to estimate the SP Surda anomaly which has been studied by other methods. The results of DE estimation are comparable to the previous studies, and able to provide uncertainty information. DE algorithm can be implemented to characterize the source of SP anomaly for futher study.
ANALISA BLENDING SOLAR CN-48 DENGAN PERTADEX CN-53 Megawati, Eka; Rudiyanto, Rudiyanto; Huda, A.M. Miftahul
PETROGAS: Journal of Energy and Technology Vol 1, No 1 (2019): March
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v1i1.10

Abstract

Kualitas bahan bakar Solar ditentukan oleh tinggi rendahnya Cetan Index atau Cetan Number, semakain tinggi kualitasnya akan semakin bagus. Mengingat saat ini penggunaan bahan bakar Solar semakin meningkat dikarenakan harganya lebih efisien, maka untuk menjaga agar tidak semakin meningkat pencemaran udara di sekitar kita akibat gas buang yang dihasilkan perlu ditingkatkan kualitas bahan bakar Solar yang mempunyai Angka Cetan 45 atau Cetan Number 48 yang biasa disebut Solar Subsidi tersebut. Penelitian dengan judul Analisa Blending Solar CN-48 dengan Pertadex CN-53 memiliki tujuan menghasilkan produk Solar CN-51 melalui proses blending dua komponen antara Solar CN-48 dengan Pertadex CN-53. Metode yang dilakukan dengan cara mencampurkan Solar CN-48 dengan Pertadex CN-53 dengan komposisi yang telah dihitung secara teori. Setelah dilakukan proses blending, maka dilakukan pengecekan Distilasi dengan menggunakan alat Distilasi ASTM D-86. Hasil yang diperoleh yaitu menghasilkan produk baru yang teruji secara spesifik, khususnya nilai Cetan. Nilai Cetan yang didapat merupakan hasil dari perhitungan (kalkulasi) matematis. Pengujian menggunakan instrument standard perlu dilakukan, namun secara laboratorium, pengujian yang telah dilakukan sesuai dengan prosedur dan teori yang berlaku. Peningkatan nilai Cetan dapat dengan melakukan pencampuran dua bahan dengan Cetan yang berbeda. Meskipun peningkatan nilai cetan tidak signifikan, dan hanya berada pada rentang dua bahan pencampuran, pada dasarnya proses tersebut telah merubah unsur-unsur mikroskopik pada bahan.
Co-Authors Ain Sahara Badrul Munir Irwan Setyowidodo, Bagus Jaya Santosa Laby, Dharma Arung Megawati, Eka Muntaha, Mohammad Riza Hadi Saputra Rudiyanto Rudiyanto, Rudiyanto Suprayitno, Abdi Widyaningrum, Yekti